McMaster-Carr logo
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    Help me decide (beta)
    18 Products

    Electrical Insulating Unthreaded Spacers

    Image of Product. Front orientation. Spacers. Electrical Insulating Unthreaded Spacers.
    Stop electrical current in its tracks—these nonconductive spacers prevent it from passing through your components. They’re often used to insulate circuit boards and enclosures.
    Ultra-High-Temperature Grade L5 Ceramic—Our most heat-resistant spacers, even at blistering temperatures up to 1700° F. However, they may crack or dent if subjected to hard bumps and vibrations.
    Lg.
    For Screw
    Size
    ID
    Dielectric Strength,
    V/mil
    Temp. Range,
    ° F
    Pkg.
    Qty.
    Pkg.
    Ultra-High-Temperature Grade L5 Ceramic
     
    1/4" OD
    3/16"No. 3
    		0.115"27550 to 1,700196109A11000000
    3/16"No. 4
    		0.140"27550 to 1,700196109A1550000
    1/4"No. 3
    		0.115"27550 to 1,700196109A1150000
    1/4"No. 4
    		0.140"27550 to 1,700196109A1600000
    3/8"No. 3
    		0.115"27550 to 1,700196109A1200000
    3/8"No. 4
    		0.140"27550 to 1,700196109A1650000
    1/2"No. 4
    		0.140"27550 to 1,700196109A1700000
    5/8"No. 4
    		0.140"27550 to 1,700196109A1750000
    3/4"No. 4
    		0.140"27550 to 1,700196109A1800000
     
    3/8" OD
    1/4"No. 8
    		0.192"27550 to 1,700196109A2050000
    3/8"No. 8
    		0.192"27550 to 1,700196109A2100000
    1/2"No. 8
    		0.192"27550 to 1,700196109A2200000
    3/4"No. 8
    		0.192"27550 to 1,700196109A2250000
    1"No. 8
    		0.192"27550 to 1,700196109A2350000
     
    1/2" OD
    3/8"No. 10
    		0.250"27550 to 1,700196109A4200000
    1/2"No. 10
    		0.250"27550 to 1,700196109A4250000
    3/4"No. 10
    		0.250"27550 to 1,700196109A4350000
    1"No. 10
    		0.250"27550 to 1,700196109A4500000
     
    back to top